.nav_header {
    .mui-bar-nav {
        position: static;
        background-color: #ff841d;
        .back {
            color: #fff;
        }
        h1 {
            color: #fff;
            font-size: 18px;
        }
        .download {
            color: #fff;
            font-size: 14px;
            display: flex;
            flex-direction: column;
            padding-top: 10px;
            align-items: center;
           em {
               font-style: normal;
               transform: scale(0.5);
               margin-top: -2px;
           }
        }
    }
}